Class

org.apache.spark.h2o.backends.external

ExternalReadConverterCtx

Related Doc: package external

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class ExternalReadConverterCtx extends ReadConverterCtx

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ReadConverterCtx, AnyRef, Any
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  1. ExternalReadConverterCtx
  2. ReadConverterCtx
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Instance Constructors

  1. new ExternalReadConverterCtx(keyName: String, chunkIdx: Int, nodeDesc: NodeDesc, expectedTypes: Array[Byte], selectedColumnIndices: Array[Int])

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    keyName

    key name of frame to query data from

    chunkIdx

    chunk index

    nodeDesc

    the h2o node which has data for chunk with the chunkIdx

Type Members

  1. type DataSource = ExternalFrameReaderClient

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    Type from which we query the data

    Type from which we query the data

    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  2. type OptionReader = (Int) ⇒ Option[Any]

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    Definition Classes
    ReadConverterCtx
  3. type Reader = (Int) ⇒ Any

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    Definition Classes
    ReadConverterCtx

Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  4. lazy val ExtractorsTable: Map[SimpleType[_], Function1[DataSource, _]]

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    This map registers for each type corresponding extractor

    This map registers for each type corresponding extractor

    Given a a column number, returns an Option[T] with the value parsed according to the type. You can override it.

    A map from type name to option reader

    Attributes
    protected
    Definition Classes
    ReadConverterCtx
  5. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any
  6. def booleanAt(source: ExternalFrameReaderClient): Boolean

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  7. def byteAt(source: ExternalFrameReaderClient): Byte

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  8. val chunkIdx: Int

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    chunk index

    chunk index

    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  9. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  10. def columnValueProviders(columnIndexesWithTypes: Array[(Int, SimpleType[_])]): Array[() ⇒ Option[Any]]

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    For a given array of source column indexes and required data types, produces an array of value providers.

    For a given array of source column indexes and required data types, produces an array of value providers.

    columnIndexesWithTypes

    lists which columns we need, and what are the required types

    returns

    an array of value providers. Each provider gives the current column value

    Definition Classes
    ReadConverterCtx
  11. def doubleAt(source: DataSource): Double

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  12. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  13. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any
  14. val externalFrameReader: ExternalFrameReaderClient

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  15. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )
  16. def floatAt(source: ExternalFrameReaderClient): Float

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  17. final def getClass(): Class[_]

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    Definition Classes
    AnyRef → Any
  18. def hasNext: Boolean

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  19. def hashCode(): Int

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    Definition Classes
    AnyRef → Any
  20. def increaseRowIdx(): Unit

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    Definition Classes
    ReadConverterCtx
  21. def intAt(source: ExternalFrameReaderClient): Int

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  22. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any
  23. val keyName: String

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    key name of frame to query data from

    key name of frame to query data from

    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  24. def longAt(source: DataSource): Long

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  25. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef
  26. val nodeDesc: NodeDesc

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    the h2o node which has data for chunk with the chunkIdx

  27. final def notify(): Unit

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    Definition Classes
    AnyRef
  28. final def notifyAll(): Unit

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    Definition Classes
    AnyRef
  29. def numRows: Int

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  30. lazy val readerMapByName: Map[NameOfType, Reader]

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    Definition Classes
    ReadConverterCtx
  31. def returnOption[T](read: (DataSource) ⇒ T)(columnNum: Int): Option[T]

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    Returns Option with data was successfully obtained or none otherwise

    Returns Option with data was successfully obtained or none otherwise

    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  32. def returnSimple[T](ifMissing: (String) ⇒ T, read: (DataSource) ⇒ T)(columnNum: Int): T

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    Returns the data if it was obtained successfully or the default value

    Returns the data if it was obtained successfully or the default value

    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  33. var rowIdx: Int

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    Current row index

    Current row index

    Definition Classes
    ReadConverterCtx
  34. def shortAt(source: ExternalFrameReaderClient): Short

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  35. def string(source: DataSource): String

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    Attributes
    protected
    Definition Classes
    ExternalReadConverterCtxReadConverterCtx
  36. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef
  37. def timestamp(source: DataSource): Long

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    Attributes
    protected
    Definition Classes
    ReadConverterCtx
  38. def toString(): String

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    Definition Classes
    AnyRef → Any
  39. def utfString(source: DataSource): UTF8String

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    Attributes
    protected
    Definition Classes
    ReadConverterCtx
  40. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  41. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )
  42. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from ReadConverterCtx

Inherited from AnyRef

Inherited from Any

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